(VB.NET UWP/WinRT) PKCS11 Set PIN for Currently Logged On User

See more PKCS11 Examples

Demonstrates how to change the PIN for the currently logged on user. (The currently logged on user can be the Security Officer, the Normal User, or Context Specific.)

Note: Requires Chilkat v9.5.0.89 or greater.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

Dim pkcs11 As New Chilkat.Pkcs11

' See PKCS11 Find Driver Library Path for information about how to find the 
' PKCS11 driver file (if not explicitly known) for the plugged-in token or smart card in reader.
pkcs11.SharedLibPath = "IDPrimePKCS1164.dll"

Dim success As Boolean = pkcs11.Initialize()
If (success = False) Then
    Debug.WriteLine(pkcs11.LastErrorText)
    Exit Sub
End If


' Call Discover to get the slot ID.
Dim onlyTokensPresent As Boolean = True
Dim json As New Chilkat.JsonObject
success = pkcs11.Discover(onlyTokensPresent,json)
If (success = False) Then
    Debug.WriteLine(pkcs11.LastErrorText)
    Exit Sub
End If


' Make sure we have at least one slot.
If (json.SizeOfArray("slot") <= 0) Then
    Debug.WriteLine("No occuplied slots.")
    Exit Sub
End If


' Get the ID of the 1st slot
Dim slotID As Integer = json.IntOf("slot[0].id")

' Open a session.
Dim readWrite As Boolean = True
success = pkcs11.OpenSession(slotID,readWrite)
If (success = False) Then
    Debug.WriteLine(pkcs11.LastErrorText)
    Exit Sub
End If


' Make it an authenticated session by calling Login.
' The smart card PIN is passed to the Login method.
' The user type can be one of three choices:
' 0 - Security Officer
' 1 - Normal User
' 2 - Context Specific.
Dim userType As Integer = 1
Dim pin As String = "0000"
success = pkcs11.Login(userType,pin)
If (success = False) Then
    Debug.WriteLine(pkcs11.LastErrorText)
    success = pkcs11.CloseSession()
    Exit Sub
End If


' Change the PIN from 0000 to 1234
' This changes the PIN for the user type that is logged in.
success = pkcs11.SetPin(pin,"1234")
If (success = False) Then
    Debug.WriteLine(pkcs11.LastErrorText)
    success = pkcs11.CloseSession()
    Exit Sub
End If


' Revert to an unauthenticated session by calling Logout.
success = pkcs11.Logout()
If (success = False) Then
    Debug.WriteLine(pkcs11.LastErrorText)
    success = pkcs11.CloseSession()
    Exit Sub
End If


' When finished, close the session.
' It is important to close the session (memory leaks will occur if the session is not properly closed).
success = pkcs11.CloseSession()
If (success = False) Then
    Debug.WriteLine(pkcs11.LastErrorText)
    Exit Sub
End If


Debug.WriteLine("Successfully changed PIN from 0000 to 1234")